#ifndef DEFS
#define DEFS

#include<cstdio>
#include<iostream>
#include<fstream>
#include<sstream>
#include<cstdlib>
#include<vector>
#include<algorithm>
#include<limits>
#include <math.h>

#define forn(i,n) 	 for(int i=0; i<n; i++)
#define fornd(i,n) 	 for(int i=n-1; i>=0; i--)
#define fornx(i,x,n) for(int i=x; i<n; i++)

using namespace std;

const double MAX = 100.0;

typedef vector<double>  Vector;
typedef vector<Vector> Matriz;

//~ typedef vdouble  Vector;
//~ typedef vvdouble Matriz;

#endif 
